Liu Tao: What's the time now, Yang Ling?

Yang Ling: It's four thirty. It's time to go home.

Liu Tao: It's raining(下雨).Where is my umbrella?

Yang Ling:Look!There's a red umbrella under the desk.

Liu Tao:That isn't my umbrella.

Yang Ling:There are four umbrellas near the blackboard. Which one is yours（你的），Liu Tao?

Liu Tao:The blue one. Thank you, Yang Ling.

Yang Ling:Shall we go home together？

Liu Tao:Great!Let's go.

宋明理学中，朱舟主张“理生万物”，“理主动静”；“未有此气，已有此理”，从哲学流派来分析， 他的观点属于（    ）

设sin（$\frac{\mathrm{\pi }}{4}$+θ）=$\frac{1}{3}$，则sin2θ等于（　　）